Garden Scheme

Plant library  ·  Ornamental & Flowering Trees

Chitalpa

Chitalpa tashkentensis

Chitalpa is a fast-growing ornamental shade tree that reaches about 30 feet tall and 25 feet wide. Its broad, flowering canopy makes the most sense as a single focal tree or as part of a generously scaled planting rather than in a narrow foundation bed. Pink, orchid-like flowers extend the tree’s display from late spring into early fall, while its mature size gives nearby seating, paths, and smaller beds meaningful summer shade.

  • Pollinator friendly
  • Deer resistant
Sunlight Full Sun
Water Low
USDA zones 6–9
Spacing 20 ft
Mature size 30 ft tall, 25 ft wide
Bloom Late spring - early fall

Placement and use

Give chitalpa an open, sunny position where its canopy can develop clear of eaves, overhead wires, and tight property edges. Place it behind or beside lower planting areas rather than at the front of a border, so the trunk and canopy read as a backdrop instead of blocking views across the garden. A location near a patio or along the outside edge of a lawn can use its shade-tree scale well, provided the canopy will not crowd circulation routes as it expands.

Spacing and mature footprint

Set chitalpas 20 feet apart, center to center, when repeating them in a landscape. A mature canopy can reach roughly 25 feet across, so this spacing should be treated as a framework for a connected overhead presence, not as a wide gap between isolated crowns. Keep the planting center well back from walks, driveways, walls, and bed edges, leaving room to approach the trunk and maintain the ground beneath the canopy.

Three plants set 20 ft apart, center to center; shaded circles show the 25 ft mature spread.

Sun, water, and soil

Use chitalpa in full sun, where it suits low-water planting areas and warm, exposed parts of the garden. It tolerates drought and alkaline soil, but its footprint still calls for a well-drained planting area rather than a spot that stays wet around the roots. Arrange irrigation zones so the tree is not dependent on frequent watering intended for thirstier flowers or lawn.[1][2]

Seasonal notes

Late spring through early fall is the main flowering window, giving this tree a long period of pink bloom above the planting below. Plan the area beneath it as a changing shade zone: beds that receive full sun before the canopy fills may have less direct light later in the growing season. Leave enough open ground around the trunk for access without repeatedly cutting through planted layers.

Planning caveats

Chitalpa is deciduous, so its canopy does not provide the same screen or shade in winter. Avoid cramped or heavily shaded sites: dense shade can reduce its suitability and is associated with greater powdery-mildew risk in humid summer climates. Allow a simple mulch or planting-free ring at the base if basal suckers would be inconvenient among tightly spaced perennials.[1][2]

Growing facts

Botanical name
Chitalpa tashkentensis
Type
Shade Tree
Category
Ornamental & Flowering Trees
Lifecycle
perennial
USDA hardiness zones
6–9
Sunlight
Full Sun
Water
Low
Plant spacing
20 ft
Mature size
30 ft tall, 25 ft wide
Bloom season
Late spring - early fall
Pollinator friendly
Yes
Deer resistant
Yes
Native to North America
No

References

  1. × Chitalpa tashkentensis - Plant Finder — Missouri Botanical Garden
  2. × Chitalpa tashkentensis | Tashkent chitalpa — Royal Horticultural Society

Editorial content updated 2026-07-20.